Hi!! Today we are going to learn java program to find prime number.

Before going to find prime number in java, let us understand what is prime number?

## what is prime number?

A prime number in java is a number that is greater than one and divided by itself. Prime numbers are those numbers which cannot be divided by other numbers than 1 or itself.

**Example:** 2, 3, 5, 7, 11, 13, 17….

### Java Program To Find Prime Number

Also Read – Palindrome Number In Java

import java.util.*; public class Prime_Number_In_Java { public static void main(String[] args) { int a; int place = 1; int digit = 3; Scanner sc = new Scanner(System.in); System.out.println("Please enter number of prime numbers to find: "); a = sc.nextInt(); if(a >= 1) { System.out.println("First " + a + " prime numbers are: "); System.out.println(2); } for(int count = 2;count <= a; ) { for(int b = 2;b <= Math.sqrt(digit);b++) { if(digit % b == 0) { place = 0; break; } } if(place != 0) { System.out.println(digit); count++; } place = 1; digit++; } } }

**Output:**